



IF	EXISTS(SELECT 1 FROM sys.tables AS t (NOLOCK) WHERE t.name = 'yt_feishu_task' )
	AND NOT EXISTS(SELECT 1 FROM sys.tables AS t (NOLOCK) INNER JOIN sys.columns AS c (NOLOCK) ON c.object_id = t.object_id WHERE t.name = 'yt_feishu_task' AND c.name = 'xType')
BEGIN
		ALTER TABLE dbo.yt_feishu_task ADD xType NVARCHAR(100)
END
GO

